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n.; E. pl. Abdominals, L. pl. Abdominales. A fish of the group Abdominales. [ 1913 Webster ]

a. [ Cf. F. abdominal. ] 1. Of or pertaining to the abdomen; ventral; as, the abdominal regions, muscles, cavity. [ 1913 Webster ]

2. (Zool.) Having abdominal fins; belonging to the Abdominales; as, abdominal fishes. [ 1913 Webster ]

Abdominal ring (Anat.), a fancied ringlike opening on each side of the abdomen, external and superior to the pubes; -- called also inguinal ring. [ 1913 Webster ]

‖n. pl. [ NL., masc. pl. ] (Zool.) A group including the greater part of fresh-water fishes, and many marine ones, having the ventral fins under the abdomen behind the pectorals. [ 1913 Webster ]

‖n. pl. [ NL., neut. pl. ] (Zool.) A group of cirripeds having abdominal appendages. [ 1913 Webster ]

a. Characterized by aberration. [ 1913 Webster ]

a. [ L. ab away from + homo, hominis, man. ] Inhuman. [ Obs. ] Fuller. [ 1913 Webster ]

a. [ See Aborigines. ] 1. First; original; indigenous; primitive; native; as, the aboriginal tribes of America. “Mantled o'er with aboriginal turf.” Wordsworth. [ 1913 Webster ]

2. Of or pertaining to aborigines; as, a Hindu of aboriginal blood. [ 1913 Webster ]

n. 1. An original inhabitant of any land; one of the aborigines. [ 1913 Webster ]

2. An animal or a plant native to the region. [ 1913 Webster ]

It may well be doubted whether this frog is an aboriginal of these islands. Darwin. [ 1913 Webster ]

n. The quality of being aboriginal. Westm. Rev. [ 1913 Webster ]

adv. Primarily. [ 1913 Webster ]

a. Pertaining to abortion; miscarrying; abortive. Carlyle. [ 1913 Webster ]

a. Pertaining to abstraction. [ 1913 Webster ]

a. Pertaining to accession; additional. [ R. ] Sir T. Browne. [ 1913 Webster ]

a. [ Gr. &unr_;, &unr_;, ray. ] (Zool.) Pertaining to the part of a radiate animal which contains the mouth. L. Agassiz. [ 1913 Webster ]

adj. 1. 1 having a capacity for adaptation. Opposed to maladaptive.
Syn. -- adaptive, adaptative [ WordNet 1.5 ]

a. Added; supplemental; in the way of an addition. [ 1913 Webster ]

n. Something added. [ R. ] Bacon. [ 1913 Webster ]

adv. By way of addition. [ 1913 Webster ]

{ ‖ } n. [ Gr. 'adh`n gland + 'a`lgos pain. ] (Med.) Pain in a gland. Called also adenodynia [ 1913 Webster + AS ]

a. Pertaining to adjection; that is, or may be, annexed. [ R. ] Earle. [ 1913 Webster ]

n. Adjournment; postponement. [ R. ] “An adjournal of the Diet.” Sir W. Scott. [ 1913 Webster ]

a. [ L. ad + nomen noun. ] (Gram.) Pertaining to an adnoun; adjectival; attached to a noun. Gibbs. -- Ad*nom"i*nal*ly, adv. [1913 Webster]

a. [ Pref. ad- + renal. ] (Anat.) Suprarenal. [ 1913 Webster ]

n. Also /mhw>. (Physiol. Chem.) a hormone secreted by the adrenal medulla that acts as a powerful stimulant in reponse to fear or stress; it stimulates autonomic nerve action. It can be obtained as a crystalline substance, C9H13NO3. It is used in medicine as a vasoconstrictor (hemostatic) and cardiac stimulant, also to reduce allergic reactions and to stimulate the heart in cases of cardiac arrest. MI11
Syn. -- epinephrine; 3, 4-dihydroxy-1-[ 1-hydroxy-2-(methylamino)-ethyl ]benzene. [ Webster 1913 Suppl. +PJC ]

n. 1. .
Syn. -- epinephrine, adrenalin [ WordNet 1.5 ]

a. Of or pertaining to the affections; as, affectional impulses; an affectional nature. [ 1913 Webster ]

a. [ L. affinis. ] Related by marriage; from the same source. [ 1913 Webster ]

a. [ L. agminalis; agmen, agminis, a train. ] Pertaining to an army marching, or to a train. [ R. ] [ 1913 Webster ]

a. Of or pertaining to height; as, altitudinal measurements. [ 1913 Webster ]

a. Obtuse-angled. [ Obs. ] Hutton. [ 1913 Webster ]

n. [ Ammonium + aluminium. ] An explosive consisting of a mixture of powdered aluminum and ammonium nitrate. [ Webster 1913 Suppl. ]

a. [ From Anus. ] (Anat.) Pertaining to, or situated near, the anus; as, the anal fin or glands. [ 1913 Webster ]

n. [ Gr. 'an priv. + 'a`lkimos strong, 'alkh` strength: cf. F. analcime. ] (Min.) A white or flesh-red mineral, of the zeolite family, occurring in isometric crystals. By friction, it acquires a weak electricity; hence its name. [ 1913 Webster ]

n. [ Gr. 'analkh`s weak. ] Analcime. [ 1913 Webster ]

{ ‖ } n. pl. [ Gr. 'ana`lekta fr. 'anale`gein to collect; 'ana` + le`gein to gather. ] A collection of literary fragments. [ 1913 Webster ]

a. Relating to analects; made up of selections; as, an analectic magazine. [ 1913 Webster ]

‖n. [ L. analemma a sun dial on a pedestal, showing the latitude and meridian of a place, Gr. 'ana`lhmma a support, or thing supported, a sun dial, fr. 'analamba`nein to take up; 'ana` + lamba`nein to take. ] 1. (Chem.) An orthographic projection of the sphere on the plane of the meridian, the eye being supposed at an infinite distance, and in the east or west point of the horizon. [ 1913 Webster ]

2. An instrument of wood or brass, on which this projection of the sphere is made, having a movable horizon or cursor; -- formerly much used in solving some common astronomical problems. [ 1913 Webster ]

3. A scale of the sun's declination for each day of the year, drawn across the torrid zone on an artificial terrestrial globe. [ 1913 Webster ]

{ ‖ } [ Gr. 'ana`lhpsis a taking up, or again, recovery, from 'analamba`nein. See Analemma. ] (Med.) (a) Recovery of strength after sickness. (b) A species of epileptic attack, originating from gastric disorder. [ Obs. ] [ 1913 Webster + AS ]

a. [ Gr. 'ana`lhptiko`s restorative: cf. F. analeptique. See Analepsis. ] (Med.) Restorative; giving strength after disease. -- n. A restorative drug; a drug that stimulates the central nervous system. [ 1913 Webster + AS ]

{ , n. } [ Gr. 'analgh`s painless. ] A crystalline compound used as an antipyretic and analgesic, employed chiefly in rheumatism and neuralgia. It is a complex derivative of quinoline. [ Webster 1913 Suppl. ]

‖n. [ NL., fr. Gr. 'analghsi`a; 'an priv. + a`lghsis sense of pain. ] (Med.) Absence of sensibility to pain. Quain. AS [ 1913 Webster ]

‖a. [ NL., fr. Gr. 'analghsi`a; 'an priv. + 'a`lghsis sense of pain. ] (Med.) Serving to reduce the sensibility to pain without loss of consciousness. AS [ PJC ]

‖n. [ NL., fr. Gr. 'analghsi`a; 'an priv. + 'a`lghsis sense of pain. ] (Med.) a medication which serves to reduce the sensibility to pain without loss of consciousness. Aspirin and acetaminophen (paracetamol, trade name Tylenol) are commonly used non-prescription analgesics. AS [ PJC + AS ]

a. [ Gr. &unr_;; 'an priv. + &unr_; a change. ] (Math.) Not changed in form by inversion. [ 1913 Webster ]

Anallagmatic curves, a class of curves of the fourth degree which have certain peculiar relations to circles; -- sometimes called bicircular quartics. --
Anallagmatic surfaces, a certain class of surfaces of the fourth degree. [ 1913 Webster ]

a. (Anat.) Without, or not developing, an allantois. [ 1913 Webster ]

‖n. pl. [ Gr. 'an priv. + E. allantoidea. ] (Zool.) The division of Vertebrata in which no allantois is developed. It includes amphibians, fishes, and lower forms. [ 1913 Webster ]

a. Analogous. [ Obs. ] Donne. [ 1913 Webster ]

a. [ See Analogous. ] Of or belonging to analogy. Geo. Eliot. [ 1913 Webster ]